Table 1.

Demographic and clinical characteristics of participants by sex-specific leptin tertiles

Leptin tertile	T1	T2	T3	Significance, P
Men (N)	75	75	74
Age	75.45 (7.48)	75.17 (7.36)	75.36 (7.22)	0.972
Education	16.39 (3.22)	15.85 (2.79)	15.35 (3.09)	0.117
BMI	24.12 (2.59)	26.16 (2.75)	29.08 (3.46)	<0.001
Hypertension (%)	40.00	52.00	72.97	0.001
Log CRP (µg/ml)	−0.01 (0.55)	0.04 (0.48)	0.14 (0.50)	0.267
Log insulin (µIU/ml)	0.16 (0.36)	0.33 (0.25)	0.47 (0.27)	<0.001
Log leptin (ng/ml)	0.39 (0.23)	0.79 (0.08)	1.15 (0.15)	–
Women (N)	42	45	41
Age	73.26 (6.76)	74.09 (8.13)	73.08 (7.73)	0.803
Education	16.19 (2.44)	14.71 (3.38)	15.17 (3.04)	0.067
BMI	22.46 (3.35)	24.29 (2.36)	28.90 (3.61)	<0.001
Hypertension (%)	38.09	46.66	60.97	0.109
Log CRP (µg/ml)	−0.10 (0.56)	0.15 (0.47)	0.40 (0.40)	<0.001
Log insulin (µIU/ml)	0.17 (0.27)	0.33 (0.28)	0.47 (0.27)	<0.001
Log leptin (ng/ml)	0.74 (0.21)	1.17 (0.11)	1.56 (0.16)	–

Unless otherwise indicated, values are mean (standard deviation).

T, leptin tertile; tertiles are not equal due to tied values.